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Finding the Fourth Proportional to 6,337.84, 8,745.24 and 3,542.80

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Solution

The fourth proportional to 6,337.84, 8,745.24 and 3,542.80 is: 4,888.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337.84 : 8,745.24 = 3,542.80 : x
  2. Step 2: Convert to fraction form
    6,337.84/8,745.24 = 3,542.80/x
  3. Step 3: Cross multiply
    6,337.84x = 8,745.24 × 3,542.80
  4. Step 4: Simplify right side
    6,337.84x = 30,982,636.27
  5. Step 5: Solve for x
    x = 30,982,636.27/6,337.84
  6. Step 6: Final answer
    x = 4,888.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.